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//
// TextTemplatingFilePreprocessor.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (c) 2010 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.CodeDom.Compiler;
using System.IO;
using Mono.TextTemplating;
using MonoDevelop.Core;
using MonoDevelop.Ide;
using MonoDevelop.Ide.CustomTools;
using MonoDevelop.Projects;
using System.Threading.Tasks;
namespace MonoDevelop.TextTemplating
{
public class TextTemplatingFilePreprocessor : ISingleFileCustomTool
{
public Task Generate (ProgressMonitor monitor, ProjectFile file, SingleFileCustomToolResult result)
{
return Task.Run (delegate {
using (var host = new ProjectFileTemplatingHost (file, IdeApp.Workspace.ActiveConfiguration)) {
string outputFile;
Generate (host, file, out outputFile);
result.GeneratedFilePath = outputFile;
result.Errors.AddRange (host.Errors);
foreach (var err in host.Errors)
monitor.Log.WriteLine (err);
}
});
}
static void Generate (TemplateGenerator host, ProjectFile file, out string outputFile)
{
outputFile = null;
string content;
try {
content = File.ReadAllText (file.FilePath);
}
catch (IOException ex) {
host.Errors.Add (new CompilerError {
ErrorText = "Could not read input file '" + file.FilePath + "':\n" + ex
});
return;
}
var pt = ParsedTemplate.FromText (content, host);
if (pt.Errors.HasErrors) {
host.Errors.AddRange (pt.Errors);
return;
}
var settings = TemplatingEngine.GetSettings (host, pt);
if (pt.Errors.HasErrors) {
host.Errors.AddRange (pt.Errors);
return;
}
outputFile = file.FilePath.ChangeExtension (settings.Provider.FileExtension);
settings.Name = settings.Provider.CreateValidIdentifier (file.FilePath.FileNameWithoutExtension);
settings.Namespace = CustomToolService.GetFileNamespace (file, outputFile);
settings.IncludePreprocessingHelpers = string.IsNullOrEmpty (settings.Inherits);
settings.IsPreprocessed = true;
var ccu = TemplatingEngine.GenerateCompileUnit (host, content, pt, settings);
host.Errors.AddRange (pt.Errors);
if (pt.Errors.HasErrors) {
return;
}
try {
using (var writer = new StreamWriter (outputFile, false, System.Text.Encoding.UTF8)) {
settings.Provider.GenerateCodeFromCompileUnit (ccu, writer, new CodeGeneratorOptions ());
}
}
catch (IOException ex) {
host.Errors.Add (new CompilerError {
ErrorText = "Could not write output file '" + outputFile + "':\n" + ex
});
}
}
}
}
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